1212222034404 has 36 divisors (see below), whose sum is σ = 3064423455184. Its totient is φ = 404048226672.

The previous prime is 1212222034391. The next prime is 1212222034423. The reversal of 1212222034404 is 4044302222121.

It is a happy number.

1212222034404 is a `hidden beast` number, since 1 + 2 + 1 + 2 + 2 + 220 + 34 + 404 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 498142 + ... + 1634805.

Almost surely, 2^{1212222034404} is an apocalyptic number.

It is an amenable number.

1212222034404 is an abundant number, since it is smaller than the sum of its proper divisors (1852201420780).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1212222034404 is a wasteful number, since it uses less digits than its factorization.

1212222034404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2148744 (or 2148739 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 1212222034404 its reverse (4044302222121), we get a palindrome (5256524256525).

The spelling of 1212222034404 in words is "one trillion, two hundred twelve billion, two hundred twenty-two million, thirty-four thousand, four hundred four".